% -----------------------------------------------------------------------------
% MIT License
%
% Copyright (c) 2020-2025 Ivo Steinbrecher
%
% Permission is hereby granted, free of charge, to any person obtaining a copy
% of this software and associated documentation files (the "Software"), to deal
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% copies of the Software, and to permit persons to whom the Software is
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\documentclass[multi=page,border=0.2pt]{standalone}

\usepackage{tikz}

\newcommand{\ysep}{0.2mm}
\newcommand{\demotext}{afg}

\begin{document}
%
\begin{page}%
  \begin{tikzpicture}[]
    \node [anchor=base west,inner sep=0pt] (A) {\large \demotext};
    \draw [red, dash pattern=on 1.5pt off 0.82pt] (A.base west) -- (A.base east);
    \draw [opacity=0]([yshift=-\ysep]A.south west) -- ([yshift=\ysep]A.north east);
  \end{tikzpicture}%
\end{page}%
%
\begin{page}%
	\begin{tikzpicture}[]
		\node [anchor=base west,inner sep=0pt] (A) {\large \textcolor{lightgray}{\demotext}};
		\draw [red, dash pattern=on 1.5pt off 0.82pt] (A.base west) -- (A.base east);
		\draw [opacity=0]([yshift=-\ysep]A.south west) -- ([yshift=\ysep]A.north east);
	\end{tikzpicture}%
\end{page}%
%
\end{document}
